







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Half Moon Bay
General contractor work in Half Moon Bay runs between $9,000 and $45,000 for most kitchens and baths, with whole-home additions and ADUs landing in the $45,000 – $220,000 range depending on scope. The number changes fast once you factor in coastal-spec materials, which we’ll get into below. If you’re planning a remodel anywhere from Main Street out to the ocean side of Highway 1, call us at (254) 272-5876 and we’ll put a written price in your hands before any tool leaves the truck.
We’re Sawyer Remodeling. Luca Romano leads our crew. We’ve been doing this since 2005 under The Relay Standard: live arrival time, photo updates before and after, and a number on paper that matches the number you approved. No exceptions.
Why Sawyer Remodeling Is Half Moon Bay’s Preferred General Contractor Company

Half Moon Bay homes aren’t like the rest of the Peninsula. The marine layer doesn’t just fog up your morning drive on Highway 92, it keeps every exterior surface damp with salt-laden condensation for months at a stretch. We’ve opened enough walls along Kelly Avenue and up through the Alsace Lorraine neighborhood to know what that does to framing, fasteners, and flashing over time.
Local homeowners tell us the same thing: they want a contractor who returns calls, shows up when promised, and doesn’t surprise them at the invoice. That’s the Relay Visibility Guarantee on every job we run. You get a live arrival time before we show up, photo updates during the work, and a written price before anything gets torn out. Our reviews from Half Moon Bay customers consistently mention the same three things: we answer the phone, we show up, and the price doesn’t move at the end.
When you schedule with us, you’re scheduling with a team that knows this stretch of coast. Our General Contractor crew works on homes in Half Moon Bay week in and week out, not occasionally from across the bay.
Styles & brands we work with







Remodeling Contractor in Half Moon Bay
Remodeling contractor work in Half Moon Bay means one thing more than anywhere else: the salt air decides your materials before your style does. We regularly see standard galvanized hardware weeping rust streaks down stucco within three or four winters near the harbor, especially on older homes up around the Granada area and along the state route corridors where ocean fog sits longest.
A kitchen remodel in Half Moon Bay typically runs $14,000 – $45,000. A bathroom remodel lands between $9,000 and $28,000. Those numbers assume coastal-spec fasteners, proper flashing, and seams that are actually sealed. Skip the marine-grade hardware and you’ll pay less up front and more within a decade when the rust shows through the paint.
Kitchen and Bath Work on the Coast
The kitchens we do out here lean on name-brand materials with manufacturer backing: KraftMaid and Wellborn cabinetry, Cambria and Caesarstone countertops, Kohler and Toto fixtures. We stock local parts for Half Moon Bay jobs so we’re not waiting on a shipment when your cabinets are already torn out.
Whole-Home and Addition Scope
When a Half Moon Bay homeowner needs a room addition or whole-home remodel, the coastal spec applies to every exterior penetration. That includes window flashing, deck anchors, and any railing hardware. We’ll put it in writing line by line so the invoice matches the quote.
Licensed General Contractor in Half Moon Bay

Licensed general contractor work in Half Moon Bay means pulling permits through the city and passing inspection on the first walk more often than not. We handle that end-to-end, because the last thing you want on a coastal remodel is a sign-off delayed while salt air is already working on exposed framing.
A licensed GC in Half Moon Bay should be able to tell you exactly what the permit covers, what the inspector checks, and how the coastal environment affects each phase. That’s what we do on every job, from a small bath off Frenchman’s Creek Road to a full addition up in the hills above Miramar.
Windows, Roofing, and Exterior Openings
Window replacement in Half Moon Bay runs $4,500 – $15,000 and we spec marine-grade frames with 316 stainless hardware every time. Roof replacement runs $8,000 – $20,000 with coastal-spec fasteners and flashing, not the electroplated hardware that pits within a few winters near the harbor.
Additions and ADUs
Home additions in Half Moon Bay run $45,000 – $130,000. ADU construction lands between $90,000 and $220,000, with the variance driven by foundation work, utility runs, and whether the unit sits in the coastal spray zone or further back from the water.
Trusted Brands We Service in Half Moon Bay
We work with proven manufacturers so you’re not guessing at the supply yard. For exteriors we lean on GAF and CertainTeed roofing, James Hardie siding. For interiors, Cambria, Silestone, and Caesarstone surfaces with Kohler, Moen, and Grohe fixtures. On specific coastal projects we also spec products from Sakrete for concrete and paver work, where the sealed joints matter most. Half Moon Bay homeowners get name-brand materials with manufacturer backing behind the install, and we keep the common parts in local stock so turnaround on replacements doesn’t stall the job.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Half Moon Bay Homes
- Rusted fasteners and wept rust streaks on exterior trim: Standard electroplated screws can’t take the salt-laden condensation that sits on coastal surfaces for months. We swap to hot-dip galvanized or 316 stainless and seal the cut ends.
- Rotting fence posts and deck framing from untreated lumber: The marine layer wicks moisture into untreated or lightly treated wood, and it rots from the inside out. We use properly rated pressure-treated stock or composite on every coastal job.
- Unsealed paver joints and stone countertop seams: Fog-driven grit and salt work into open joints seasonally, staining and loosening them. We seal every joint on install and revisit it at punch-list time.
- Inland-spec windows that fail early: Frames and hardware that would last 15 – 20 years in Redwood City can fail in 5 – 8 here near the harbor. Marine-grade frames and stainless hardware close that gap.
Pricing for General Contractor in Half Moon Bay, CA
| Project | Half Moon Bay Range |
|---|---|
| Roof Replacement (coastal-spec fasteners and flashing) | $8,000 – $20,000 |
| Metal Roof Installation | $15,000 – $40,000 |
| Window Replacement (marine-grade frames and hardware) | $4,500 – $15,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Kitchen Remodel | $14,000 – $45,000 |
What moves the number most in Half Moon Bay is coastal spec. A standard galvanized fastener package is cheaper up front. It’s also the shortcut that fails within a decade here. We price every job with the right materials baked in, and we show you the line items before work starts. Call (254) 272-5876 for a free estimate, no obligation.
We Also Serve Cities Near Half Moon Bay
If you’re in El Granada, Burlingame, Millbrae, or Belmont, we cover those too. Our General Contractor in Half Moon Bay team works the whole coastal corridor, and we bring the same written-price standard to every job. Dispatch and scheduling coordinate from the brand’s San Francisco Bay Area office, while our crews serve Half Moon Bay locally.
Serving Half Moon Bay, CA - Our Local Coverage Area
We’re based in the Half Moon Bay area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About General Contractor in Half Moon Bay
Because the marine layer forces better fasteners, better flashing, and sealed joints. Standard galvanized hardware that lasts 15 – 20 years in Redwood City fails in 5 – 8 here near the harbor. The coastal spec adds maybe 8 – 15% to materials on exterior work, but it avoids the full re-do within a decade. Call (254) 272-5876 if you want a line-item breakdown for your exact scope.
It covers the city’s minimum code requirements for structural, electrical, plumbing, and in some coastal zones, exposure-rated materials. It does not guarantee the hardware spec is right for salt air, that’s your contractor’s call. We write the coastal-spec materials into the contract so you’re covered beyond code. Call (254) 272-5876 for a free estimate.
We specify hot-dip galvanized or 316 stainless fasteners on every exterior connection, and seal all cut ends before install. Then we put those exact specs in the written price and the work order, so you can check the tags on materials when they arrive. Call (254) 272-5876 to get your project scoped with coastal materials in writing.
Yes. Untreated or lightly treated lumber wicks moisture and rots from the inside out out here, and standard railing anchors pit and bleed rust. We use pressure-rated posts, composite where it makes sense, and stainless or hot-dip anchors on every fence and railing job in Half Moon Bay. Call (254) 272-5876 for a quote.
KraftMaid and Wellborn cabinetry, Cambria and Caesarstone countertops, Kohler and Toto fixtures, plus Grohe and Moen for brass. On exterior scopes, GAF and CertainTeed roofing and James Hardie siding. We put the brand names in the written quote so there’s no swap at install. Call (254) 272-5876 to talk through your plans.
Written by Luca Romano, Owner at Sawyer Remodeling, serving Half Moon Bay since 2005.










